FUV type fire ground (expansion rod) elastic seat sealing gate valve group

FUV type fire ground (telescopic pole) elastic seal gate valve group adopted can free maintenance and extend the design scheme of the stem, one-time ground, avoid valve well expensive cost and road reconstruction and valve replacement bring huge investment, beautify the road environment, rolling resistance, avoid manhole cover loss caused by accidents. The stem can be telescopic according to the depth of the valve well, and the valve stem is equipped with a valve switch to display, which can be installed with the signal remote device, and the valve is faulty switch and lock device.